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PRALUENT SOLUTION FOR INJECTION IN A PRE-FILLED SYRINGE AND PEN 150MG/ML

Product Information

Registration Status: Active

SIN15229P

PRALUENT SOLUTION FOR INJECTION IN A PRE-FILLED SYRINGE AND PEN 150MG/ML is approved to be sold in Singapore with effective from 2017-04-27. It is marketed by SANOFI-AVENTIS SINGAPORE PTE LTD, with the registration number of SIN15229P.

This product contains Alirocumab 150mg/ml in the form of INJECTION, SOLUTION. It is approved for SUBCUTANEOUS use.

This product is manufactured by Sanofi Winthrop Industrie (Pre-filled syringe) in FRANCE, andSanofi-Aventis Deutschland GmbH (Assembly of auto-injector) in GERMANY.

It is a Prescription Only Medicine that can only be obtained from a doctor or a dentist, or a pharmacist with a prescription from a Singapore-registered doctor or dentist.

Product Reference
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Description

Alirocumab is a biopharmaceutical drug approved by the FDA in July 2015 as a second line treatment for high cholesterol for adults whose LDL-cholesterol (LDL-C) is not controlled by diet and statin treatment. It is a human monoclonal antibody administered by subcutaneous injection that belongs to a novel class of anti-cholesterol drugs, known as PCSK9 inhibitors, and it was the first such agent to receive FDA approval. The FDA approval was contingent on the completion of further clinical trials to better determine efficacy and safety. PCSK9 inhibition facilitates more LDL-C clearance from the blood.

Indication

Alirocumab is indicated as an adjunct to diet and maximally tolerated statin therapy in adults who require additional LDL-cholesterol (LDL-C) lowering due to heterozygous familial hypercholesterolemia or clinical atherosclerotic cardiovascular disease.

Mechanism of Action

Alirocumab is a fully human IgG1 monoclonal antibody that binds and inhibits proprotein convertase subtilisin/kexin type 9 (PCSK9), an enzyme found to have "gain of function" mutations in autosomal dominant hypercholesterolemia. PCSK9 is secreted by the liver and typically binds to the LDL receptors in serum and marks them for lysosomal degradation. In result, the LDL receptors are not able to recycle to the plasma membrane, reducing their binding to LDL-C and therefore reducing the clearance of LDL-C from plasma. Therefore by inhibiting PCSK9's actions, alirocumab allows for more LDL-C reuptake by the liver and facilitates a higher rate of clearance. Lower LDL cholesterol concentrations are associated with a reduced risk of coronary heart disease.

Pharmacokinetics

Absorption
Following subcutaneous (SC) administration, alirocumab is absorbed into the bloodstream and maximum concentrations are reached at a median time of 3-7 days. The absolute availability after SC administration was 85%.
Distribution
Alirocumab is mainly distributed through the circulatory system, with minimal extravascular distribution.
Metabolism
Antibodies are generally metabolized by the reticuloendothelial system and degraded into small peptides and individual amino acids - therefore specific metabolism studies were not conducted. Alirocumab did not show evidence of affecting CYP 450 enzymes or transporter proteins in co-administration with statins.
Elimination

Active Ingredient/Synonyms

Alirocumab | Alirocumab |


Source of information: Drugbank (External Link). Last updated on: 3rd July 18. *Trade Name used in the content below may not be the same as the HSA-registered product.

References

  1. Health Science Authority of Singapore - Reclassified POM
  2. Drugbank

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